<div class="container">
  <div class="title">
    <span>{{groupOrders.length}}人在拼单，可直接参与</span>
    <span><img src="assets/icons/navigate_next.png" alt=""></span>
  </div>
  <app-group-item 
  *ngFor="let item of groupOrders" 
  [order]="item"></app-group-item>
</div>